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Entering Diagnostic Mode and Checking the Codes
1. Turn the key to the
2. Disconnect the power by separating the vehicle harness from the sweeper harness.
3. Remove the front cover.
4. Pull the tethered cap off the 2 diagnostic, shunt connectors
5. Connect the diagnostic, shunt connectors together
6. Connect the vehicle and sweeper wire harness together to power the sweeper.
7. Count the number of flashes to determine the fault code, then consult the following table:
Note: If there are multiple faults, both faults will flash, then a long pause, then the flash sequences will repeat.
Code
11
12
13
8. Install the front cover.
position.
RUN
LED Flash Pattern
Machine Specific Faults
Blink once, pause, blink once,
long pause, then repeat
Blink once, pause, blink twice,
long pause, then repeat
Blink once, pause, blink 3
times, long pause, then repeat
(Figure
(Figure
40, B).
Figure 40
Behavior
Lost communication with
BASE.
Version incompatibility of the
BASE and/or HH
Wrong HH—not implemented
on RevA
32
40, A).
Details
Connector not plugged
in; locate the loose or
disconnected harness
connector and connect it.
Something wrong in the wiring;
contact your Toro Distributor.
BASE is bad; contact your Toro
Distributor.
Wrong software (install
the correct software from
TORODIAG); contact your Toro
Distributor.
Wrong product association
(i.e. trying to update software
on a MH–400 with a ProPass
handheld)
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